Aon plc — Director's Dealing 2013

Mar 18, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Aon plc (AON)
CIK: 0000315293
Period of Report: 2013-03-15

Reporting Person: Legris Yvan (CEO EMEA - Aon Hewitt)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-03-15	Class A Ordinary Shares	M	1906	—	Acquired	1906	Direct
2013-03-15	Class A Ordinary Shares	F	991	$59.90	Disposed	915	Direct
2013-03-15	Class A Ordinary Shares	M	2562	—	Acquired	3477	Direct
2013-03-15	Class A Ordinary Shares	F	1333	$59.90	Disposed	2144	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-03-15	Restricted Stock Unit Award (Right to Receive)	$	M	1906	Disposed	2015-03-15	Class A Ordinary Shares (1906)	Direct
2013-03-15	Restricted Stock Unit Award (Right to Receive)	$	M	2562	Disposed	2017-03-15	Class A Ordinary Shares (2562)	Direct

Footnotes

F1: Class A Ordinary Shares acquired upon the vesting of a restricted stock unit award.

F2: Class A Ordinary Shares withheld by the issuer for the payment of withholding taxes in connection with the vesting of a restricted stock unit award.

F3: The restricted stock unit award converts to Class A Ordinary Shares on a 1-for-1 basis. In accordance with U.K. law, the reporting person agreed to pay the issuer the nominal value of US$0.01 per share issued to the reporting person.

F4: The restricted stock unit award will vest in accordance with the terms of the Aon Stock Incentive Plan as follows: 1/3 of the restricted stock units will vest on each of March 15, 2013, March 15, 2014 and March 15, 2015.

F5: The restricted stock unit award will vest in accordance with the terms of the Aon Stock Incentive Plan as follows: 1/5 of the restricted stock units will vest on each of March 15, 2013, March 15, 2014, March 15, 2015, March 15, 2016 and March 15, 2017.